Westerfield, Heather
Current rating: 1465
Record: 3-5
| Grand Prix Phoenix 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 84 | Gay, Robert (1599) | Lost 1-2 | -161484 |
| 2modern | 512 | Sawyer, William (1451) | Won 2-1 | +171501 |
| 3modern | 444 | Oaks, Christian (1461) | Won 2-1 | +171518 |
| 4modern | 354 | Watkins, Steven (1653) | Lost 0-2 | -151503 |
| 5modern | 446 | Guerrero, Michael (1472) | Lost 1-2 | -191484 |
| 6modern | 422 | Ward, Levi (1487) | Lost 0-2 | -181466 |
| 7modern | 410 | Arnoldy, Mathew (1465) | Lost 1-2 | -181448 |
| 8modern | 353 | Ashline, Tyson (1379) | Won 2-0 | +171465 |
| average opponent: 1496record: 3-5 | new rating: 1465 | |||